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11 votes
Accepted

What's the tag "empirical" meant to convey?

Given the ambiguity of empirical, I propose we get an [empirical-bayes] tag, and then we can retag all those questions pertaining the subject (which I volunteer to ...
Firebug's user avatar
  • 19.4k
9 votes
Accepted

How should we deal with the [normal-distribution] vs. [normality] tags?

I mentioned this once before, a long time ago, but can't find it now. There is [supposed to be] a distinction between them. [normal-distribution] is about the ...
gung - Reinstate Monica's user avatar
9 votes
Accepted

How to improve the description and usage of the [machine-learning] tag?

My opinion is that machine-learning tag is borderline useless because it is too unspecific and too vacuous. It is not the only tag like that. For example we have fittingĂ—600 and modelĂ—900, which are ...
amoeba's user avatar
  • 106k
7 votes
Accepted

What is the meaning of the [sgd] tag?

I wrote the following wiki excerpt: Stochastic gradient descent (SGD) is a variant of gradient descent where only a small subset ("mini-batch") of training examples is used to compute the gradient ...
amoeba's user avatar
  • 106k
7 votes
Accepted

Should links be added to tag wiki excerpts?

It seems to me that links are best not included in excerpts (of course, they do make sense in a full wiki). I think they should not be included for the following reasons: Links don't work in ...
gung - Reinstate Monica's user avatar
6 votes
Accepted

Can I find excerpt/Wiki of a tag that is now a synonym of another tag?

It's tricky but doable. Go to http://stats.stackexchange.com/tags and type "arma". You will see the original arma tag with its own question count and excerpt (this is because it was never merged into ...
amoeba's user avatar
  • 106k
6 votes
Accepted

Tags for zero-inflated vs. hurdle vs. point-mass-at-zero models

Thank you for the good discussion so far, and thanks to @amoeba for pointing me to it! I agree with many points raised so far and just want to share a few personal experiences with this topic. ...
Achim Zeileis's user avatar
6 votes

How should we deal with the [normal-distribution] vs. [normality] tags?

That makes sense to me. Even if someone could up with some way to distinguish these, I think there would be a ton of confusion about which to use where and a lot of error in their use. So I favor ...
Peter Flom's user avatar
  • 124k
5 votes
Accepted

Usage guidance for software-specific tags

It is a good practice for the stackexchange communities to explain the tags by how they are used and not by what the specific term in the tag means. See for instance the points 2 to 4 in the list in ...
Sextus Empiricus's user avatar
5 votes

Tags for zero-inflated vs. hurdle vs. point-mass-at-zero models

I usually agree with @gung on tag issues, but this time I am not convinced by his answer. I want to make two points. I don't see how we can meaningfully separate tags for zero-inflated count models, ...
amoeba's user avatar
  • 106k
5 votes
Accepted

The [error] tag and its wiki

To incorporate some of @amoeba's suggestions, how about: The error of an estimate or prediction is its deviation from the true value, which may be unobservable (e.g., regression parameters), or ...
gung - Reinstate Monica's user avatar
5 votes
Accepted

Wiki excerpt of the [algorithms] tag

This is a bad wiki excerpt; it is imprecise and too lengthy (see What is the optimal length & level of detail of tag wiki excerpts?) Wikipedia defines algorithm as "an unambiguous specification ...
amoeba's user avatar
  • 106k
4 votes
Accepted

Differences between [joint-distribution] and [bivariate]?

The bivariate tag is a proper subset of joint-distribution. I have updated wiki excerpts as follows: Joint probability distribution of several random variables gives the probability that all of ...
amoeba's user avatar
  • 106k
4 votes
Accepted

Meta CV tag - [statistics] vs [site-statistics]

I have manually retagged 2 Qs with statistics tag and 1 additional Q with probability into on-topic. The remaining 8 threads with statistics are all about site statistics, so it can now be renamed ...
amoeba's user avatar
  • 106k
4 votes
Accepted

Should we have usage guidelines for the meta-tag "references" (and other meta-tags)?

About references: I included a link to the most upvoted answer in Should all "book recommendation" questions be classified as community wiki? in the tag wiki as additional guidance. @...
Andre Silva's user avatar
  • 3,080
3 votes
Accepted

Definition of [indicator-variables] tag?

In the meantime, this was extensively discussed in the answers and comments in Tags around categorical data coding / representation and the outcome was as follows: Master tag categorical-encoding has ...
amoeba's user avatar
  • 106k
3 votes
Accepted

Tags that have broad concept but also address a specific software function

This Q was mentioned in a recent discussion and I see that it is unanswered, so I thought I would answer. What can be done when the tag name represents both a function of a statistical software, ...
amoeba's user avatar
  • 106k
3 votes
Accepted

Disambiguate tag excerpts for [d-prime], [sensitivity] and [sensitivity-analysis]

I propose: We create a new tag [sensitivity-specificity], as @amoeba suggested. We make the existing tags, sensitivity and specificity synonyms of this and ...
gung - Reinstate Monica's user avatar
3 votes

Wiki excerpt for [sensitivity-analysis] tag?

I tried to modify the current excerpt in the general direction outlined by @AdamO, but keeping it easy to grasp. My understanding of what "sensitivity analysis" is, follows @gung's answer. ...
amoeba's user avatar
  • 106k
3 votes
Accepted

What to do about [parameter-optimization] tag?

This seems really obvious. I have made [parameter-optimization] a synonym of [optimization], and I merged them.
gung - Reinstate Monica's user avatar
2 votes

Tags for zero-inflated vs. hurdle vs. point-mass-at-zero models

There is "zero-inflation" the phenomenon, and there are zero-inflated-(Poisson / negative binomial / etc.) models as one strategy to deal with that phenomenon (in addition to hurdle models ...
gung - Reinstate Monica's user avatar
2 votes

Wiki excerpt for [sensitivity-analysis] tag?

I would say sensitivity analysis is... a set of non-primary statistical analyses intended to verify the accuracy and generalizability of estimates and inference derived from a primary analysis and ...
AdamO's user avatar
  • 63.3k
2 votes
Accepted

Quasi-synonyms for quasi-tags

Both synonyms were created by @gung some time ago.
amoeba's user avatar
  • 106k
1 vote

Improve [hypothesis-testing] tag excerpt and description

In the spirit of keeping the description short, here are some suggestions for removing the imprecise language of "random fluctuations": Hypothesis testing provides an empirical answer to a ...
Frans Rodenburg's user avatar
1 vote

Usage guidance for software-specific tags

I might take it a step further and prevent a question from being posted if it only involves software tags. While it might not be possible for Stack Exchange to prevent a question from being posted if ...
Dave's user avatar
  • 64.2k
1 vote

Wiki excerpt for [sensitivity-analysis] tag?

Let me start by grounding this. In a scientific situation, people typically have theories about important relationships between variables. These theories are, however, incomplete in some way, or are ...
gung - Reinstate Monica's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible